The study of neutron-rich nuclei production in the region of the closed shell N=126 in the multi-nucleon transfer reaction136Xe+208Pb
- Novikov, K.
- Harca, I. M.
- Kozulin, E. M.
- Dmitriev, S.
- Itkis, J.
- Knyazheva, G.
- Loktev, T.
- Corradi, L.
- Valiente Dobon, J.
- Fioretto, E.
- Montanari, D.
- Stefanini, A. M.
- VARDACI, EMANUELE
- QUERO, DANIELE
- Montagnoli, G.
- Scarlassara, F.
- Strano, E.
- Pollarolo, G.
- Piot, J.
- Mijatović, T.
- Szilner, S.
- Ackermann, D.
- Chubarian, G.
- Trzaska, W. H.
DOIAbstract
The unexplored area of heavy neutron rich nuclei is extremely important for nuclear astrophysics investigations and, in particular, for the understanding of the r-process of astrophysical nucleogenesis. For the production of heavy neutron rich nuclei located along the neutron closed shell N=126 (probably the last waiting point in the r-process of nucleosynthesis) the low-energy multi-nucleon transfer reaction Xe-136+Pb-208 at E-lab=870MeV was explored. Due to the stabilizing effect of the closed neutron shells in both nuclei, N=82 and N=126, and the rather favorable proton transfer from lead to xenon, the light fragments formed in this process are well bound and the Q-value of the reaction is nearly zero
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